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by Jeroen
58:51
created

engine/classes/ElggGroup.php (1 issue)

Checks if the types of returned expressions are compatible with the documented types.

Best Practice Bug Major
1
<?php
2
/**
3
 * A group entity, used as a container for other entities.
4
 *
5
 * @property string $name        A short name that captures the purpose of the group
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 * @property string $description A longer body of content that gives more details about the group
7
 */
8
class ElggGroup extends \ElggEntity {
9
10
	const CONTENT_ACCESS_MODE_UNRESTRICTED = 'unrestricted';
11
	const CONTENT_ACCESS_MODE_MEMBERS_ONLY = 'members_only';
12
13
	/**
14
	 * {@inheritdoc}
15
	 */
16 112
	protected function initializeAttributes() {
17 112
		parent::initializeAttributes();
18 112
		$this->attributes['subtype'] = 'group';
19 112
	}
20
21
	/**
22
	 * {@inheritdoc}
23
	 */
24 112
	public function getType() {
25 112
		return 'group';
26
	}
27
28
	/**
29
	 * Add an \ElggObject to this group.
30
	 *
31
	 * @param \ElggObject $object The object.
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	 *
33
	 * @return bool
34
	 */
35
	public function addObjectToGroup(\ElggObject $object) {
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		$object->container_guid = $this->guid;
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		return $object->save();
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	}
39
40
	/**
41
	 * Remove an object from this containing group and sets the container to be
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	 * object's owner
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	 *
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	 * @param \ElggObject $object The object.
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	 *
46
	 * @return bool
47
	 */
48
	public function removeObjectFromGroup(ElggObject $object) {
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		$object->container_guid = $object->owner_guid;
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		return $object->save();
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	}
52
53
	/**
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	 * Get an array of group members.
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	 *
56
	 * @param array $options Options array. See elgg_get_entities_from_relationships
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	 *                       for a complete list. Common ones are 'limit', 'offset',
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	 *                       and 'count'. Options set automatically are 'relationship',
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	 *                       'relationship_guid', 'inverse_relationship', and 'type'.
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	 *
61
	 * @return array
62
	 */
63
	public function getMembers(array $options = []) {
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		$options['relationship'] = 'member';
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		$options['relationship_guid'] = $this->getGUID();
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		$options['inverse_relationship'] = true;
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		$options['type'] = 'user';
68
69
		return elgg_get_entities($options);
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Bug Best Practice introduced by
The expression return elgg_get_entities($options) also could return the type integer|false which is incompatible with the documented return type array.
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70
	}
71
72
	/**
73
	 * Returns whether the current group has open membership or not.
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	 *
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	 * @return bool
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	 */
77 2
	public function isPublicMembership() {
78 2
		return ($this->membership == ACCESS_PUBLIC);
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	}
80
81
	/**
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	 * Return the content access mode used by group_gatekeeper()
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	 *
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	 * @return string One of CONTENT_ACCESS_MODE_* constants
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	 * @access private
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	 * @since 1.9.0
87
	 */
88 4
	public function getContentAccessMode() {
89 4
		$mode = $this->content_access_mode;
90
91 4
		if (!isset($mode)) {
92 1
			if ($this->isPublicMembership()) {
93 1
				$mode = self::CONTENT_ACCESS_MODE_UNRESTRICTED;
94
			} else {
95 1
				$mode = self::CONTENT_ACCESS_MODE_MEMBERS_ONLY;
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			}
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		}
98
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		// only support two modes for now
100 4
		if ($mode === self::CONTENT_ACCESS_MODE_MEMBERS_ONLY) {
101 3
			return $mode;
102
		}
103 4
		return self::CONTENT_ACCESS_MODE_UNRESTRICTED;
104
	}
105
106
	/**
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	 * Set the content access mode used by group_gatekeeper()
108
	 *
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	 * @param string $mode One of CONTENT_ACCESS_MODE_* constants. If empty string, mode will not be changed.
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	 * @return void
111
	 * @access private
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	 * @since 1.9.0
113
	 */
114 3
	public function setContentAccessMode($mode) {
115 3
		if (!$mode && $this->content_access_mode) {
116
			return;
117
		}
118
119
		// only support two modes for now
120 3
		if ($mode !== self::CONTENT_ACCESS_MODE_MEMBERS_ONLY) {
121 3
			$mode = self::CONTENT_ACCESS_MODE_UNRESTRICTED;
122
		}
123
124 3
		$this->content_access_mode = $mode;
125 3
	}
126
127
	/**
128
	 * Is the given user a member of this group?
129
	 *
130
	 * @param \ElggUser $user The user. Default is logged in user.
131
	 *
132
	 * @return bool
133
	 */
134 4
	public function isMember(\ElggUser $user = null) {
135 4
		if ($user == null) {
136
			$user = _elgg_services()->session->getLoggedInUser();
137
		}
138 4
		if (!$user) {
139
			return false;
140
		}
141
142 4
		$result = (bool) check_entity_relationship($user->guid, 'member', $this->guid);
143
144
		$params = [
145 4
			'user' => $user,
146 4
			'group' => $this,
147
		];
148 4
		return _elgg_services()->hooks->trigger('is_member', 'group', $params, $result);
149
	}
150
151
	/**
152
	 * Join a user to this group.
153
	 *
154
	 * @param \ElggUser $user   User joining the group.
155
	 * @param array     $params Additional params to pass to the 'join', 'group' event
156
	 *
157
	 * @return bool Whether joining was successful.
158
	 */
159 75
	public function join(\ElggUser $user, $params = []) {
160 75
		$result = add_entity_relationship($user->guid, 'member', $this->guid);
161
	
162 75
		if (!$result) {
163
			return false;
164
		}
165
		
166
		$event_params = [
167 75
			'group' => $this,
168 75
			'user' => $user,
169
		];
170
		
171 75
		if (is_array($params)) {
172 75
			$event_params = array_merge($params, $event_params);
173
		}
174
		
175 75
		_elgg_services()->hooks->getEvents()->trigger('join', 'group', $event_params);
176
	
177 75
		return true;
178
	}
179
180
	/**
181
	 * Remove a user from the group.
182
	 *
183
	 * @param \ElggUser $user User to remove from the group.
184
	 *
185
	 * @return bool Whether the user was removed from the group.
186
	 */
187 2
	public function leave(\ElggUser $user) {
188
		// event needs to be triggered while user is still member of group to have access to group acl
189 2
		$params = ['group' => $this, 'user' => $user];
190 2
		_elgg_services()->hooks->getEvents()->trigger('leave', 'group', $params);
191
192 2
		return remove_entity_relationship($user->guid, 'member', $this->guid);
193
	}
194
195
	/**
196
	 * {@inheritdoc}
197
	 */
198 1
	protected function prepareObject($object) {
199 1
		$object = parent::prepareObject($object);
200 1
		$object->name = $this->getDisplayName();
201 1
		$object->description = $this->description;
202 1
		unset($object->read_access);
203 1
		return $object;
204
	}
205
206
	/**
207
	 * Can a user comment on this group?
208
	 *
209
	 * @see \ElggEntity::canComment()
210
	 *
211
	 * @param int  $user_guid User guid (default is logged in user)
212
	 * @param bool $default   Default permission
213
	 * @return bool
214
	 * @since 1.8.0
215
	 */
216 2
	public function canComment($user_guid = 0, $default = null) {
217 2
		return false;
218
	}
219
	
220
	/**
221
	 * Checks if a tool option is enabled
222
	 *
223
	 * @param string $option The option to check
224
	 * @return bool
225
	 * @since 3.0.0
226
	 */
227 1
	public function isToolEnabled($option) {
228 1
		if (empty($option)) {
229 1
			return false;
230
		}
231
		
232 1
		$setting = $this->{"{$option}_enable"};
233 1
		if ($setting === 'no') {
234 1
			return false;
235
		}
236
		
237 1
		$tool_config = $this->getToolConfig($option);
238 1
		if (!$tool_config) {
239 1
			return false;
240
		}
241
		
242 1
		if ($setting !== null) {
243 1
			return (bool) ($setting == 'yes');
244
		}
245
		
246
		// check default setting
247 1
		return (bool) $tool_config->default_on;
248
	}
249
	
250
	/**
251
	 * Enables a tool option
252
	 *
253
	 * @param string $option The option to enable
254
	 * @return bool
255
	 * @since 3.0.0
256
	 */
257 2
	public function enableTool($option) {
258 2
		if (!$this->getToolConfig($option)) {
259 1
			return false;
260
		}
261
		
262 2
		$this->{"{$option}_enable"} = 'yes';
263 2
		return true;
264
	}
265
	
266
	/**
267
	 * Disables a tool option
268
	 *
269
	 * @param string $option The option to disable
270
	 * @return bool
271
	 * @since 3.0.0
272
	 */
273 2
	public function disableTool($option) {
274 2
		if (!$this->getToolConfig($option)) {
275 1
			return false;
276
		}
277
		
278 2
		$this->{"{$option}_enable"} = 'no';
279 2
		return true;
280
	}
281
	
282
	/**
283
	 * Returns the registered tool configuration
284
	 *
285
	 * @param string $option The tool option to get the config for
286
	 * @return stdClass|false Returns the config object or false if it does not exists
287
	 */
288 2
	protected function getToolConfig($option) {
289 2
		if (empty($option)) {
290
			return false;
291
		}
292
		
293 2
		$group_tool_options = (array) elgg_get_group_tool_options($this);
294
		
295 2
		foreach ($group_tool_options as $config) {
296 2
			if ($config->name !== $option) {
297 2
				continue;
298
			}
299
			
300 2
			return $config;
301
		}
302
		
303 2
		return false;
304
	}
305
}
306